{"id":"ALSA-2023:2898","summary":"Moderate: libtar security update","details":"The libtar packages contain a C library for manipulating tar archives. The library supports both the strict POSIX tar format and many of the commonly used GNU extensions.\n\nSecurity Fix(es):\n\n* libtar: out-of-bounds read in gnu_longlink (CVE-2021-33643)\n* libtar: out-of-bounds read in gnu_longname (CVE-2021-33644)\n* libtar: memory leak found in th_read() function (CVE-2021-33645)\n* libtar: memory leak found in th_read() function (CVE-2021-33646)\n\nFor more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.\n\nAdditional Changes:\n\nFor detailed information on changes in this release, see the AlmaLinux Release Notes linked from the References section.","modified":"2026-02-04T03:05:56.380093Z","published":"2023-05-16T00:00:00Z","related":["CVE-2021-33643","CVE-2021-33644","CVE-2021-33645","CVE-2021-33646"],"references":[{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2023:2898"},{"type":"REPORT","url":"https://access.redhat.com/security/cve/CVE-2021-33643"},{"type":"REPORT","url":"https://access.redhat.com/security/cve/CVE-2021-33644"},{"type":"REPORT","url":"https://access.redhat.com/security/cve/CVE-2021-33645"},{"type":"REPORT","url":"https://access.redhat.com/security/cve/CVE-2021-33646"},{"type":"REPORT","url":"https://bugzilla.redhat.com/2121289"},{"type":"REPORT","url":"https://bugzilla.redhat.com/2121292"},{"type":"REPORT","url":"https://bugzilla.redhat.com/2121295"},{"type":"REPORT","url":"https://bugzilla.redhat.com/2121297"},{"type":"ADVISORY","url":"https://errata.almalinux.org/8/ALSA-2023-2898.html"}],"affected":[{"package":{"name":"libtar","ecosystem":"AlmaLinux:8","purl":"pkg:rpm/almalinux/libtar"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.2.20-17.el8"}]}],"database_specific":{"source":"https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux8/ALSA-2023:2898.json"}}],"schema_version":"1.7.3"}